--- a/test.py	Fri Jan 22 20:16:07 2010 +0000
+++ b/test.py	Sat Feb 13 23:40:53 2010 +0000
@@ -7,7 +7,7 @@
 parser.add_option('-e', '--exclude', dest='exclude', action='append', help='test case number(s) to exclude, as a Python expression; multiple -e options can be supplied')
 parser.add_option('-c', '--cleanup', dest='clean', action='store_true', default=False, help='delete the copies of input/output files and exit')
 parser.add_option('-s', '--save-io', dest='erase', action='store_false', default=True, help='do not delete the copies of input/output files after the last test case; create copies of input files and store output in files even if the solution uses standard I/O; delete the stored input/output files if the solution uses standard I/O and the -c/--cleanup option is specified')
-parser.add_option('-m', '--copy-io', dest='copyonly', action='store_true', default=False, help='only create a copy of the input/output files of the last test case for manual testing; to delete them, use options -cs')
+parser.add_option('-m', '--copy-io', dest='copyonly', action='store_true', default=False, help='only create a copy of the input/output files of the last test case for manual testing; to delete them, use options -cs or -cm')
 parser.add_option('-x', '--auto-exit', dest='pause', action='store_false', default=True, help='do not wait for a key to be pressed when finished testing')
 parser.add_option('-p', '--python', action='store_true', default=False, help='always parse all positional arguments as a single Python expression (including the first argument even if it names an executable file)')
 parser.add_option('-t', '--detect-time', dest='autotime', action='store_true', default=False, help='spend a second detecting the most precise time measurement function')
@@ -470,7 +470,7 @@
 				ansname = ansname.replace('%', taskname)
 			except NameError:
 				ansname = taskname + '.ans'
-		else:
+		elif not stdio or tester or not options.erase:
 			inname = inname.replace('%', taskname)
 			outname = outname.replace('%', taskname)
 			if tester: